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Mathematics
Lillian
26 January, 03:34
What is the factored form of x2 - x - 20?
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1
)
Sassafras
26 January, 05:21
0
(x - 5) (x + 4)
Step-by-step explanation:
x^2 - x - 20
- 20 = - 5 * 4
and
- 5 + 4 = - 1
So
x^2 - x - 20 = (x - 5) (x + 4)
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